
VIN 1XPBD49X1MD754218 · Stock #rush-618009
Miles
402,374 mi
Year
2021
Engine
Cummins X15
Horsepower
400 HP
Transmission
Automated Manual
Axle Config
6x4
This 2021 Peterbilt 579 is a used Class 8 commercial truck, listed in the Day Cab category. Configured as a day cab, it is suited for regional and local distribution routes. The truck is powered by a 400-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 185-inch wheelbase, and a gross vehicle weight rating of 53,200 lbs. The odometer shows 402,374 miles, and the unit is offered in fair condition. The current asking price is $51,500, representing the dealer's current asking price. This truck is currently offered by Rush Truck Centers. Interested parties should contact the dealer directly to verify availability, confirm specifications, and arrange an on-site inspection before purchase. All specifications, odometer readings, and pricing information are provided by the selling dealer and should be independently verified prior to purchase.
Rush Truck Centers
Lake City, FL
Asking
$51,500
Lake City, FL
Asking price over time
2 dealer-initiated drops · total −$3,450 (6.3%)
Asking now
$51,500
Initial ask
$54,950
Comp median
$55,400
Days listed
65
Comp median is the median asking price across N similar trucks (same make/model/year/spec) in the last 90 days. Not a valuation. We never tell you whether to buy.
2021 Peterbilt 579 — get instant answers about specs, inspection tips, or comparisons.
This 2021 Peterbilt 579 is a used Class 8 commercial truck, listed in the Day Cab category. Configured as a day cab, it is suited for regional and local distribution routes. The truck is powered by a 400-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 185-inch wheelbase, and a gross vehicle weight rating of 53,200 lbs. The odometer shows 402,374 miles, and the unit is offered in fair condition. The current asking price is $51,500, representing the dealer's current asking price. This truck is currently offered by Rush Truck Centers. Interested parties should contact the dealer directly to verify availability, confirm specifications, and arrange an on-site inspection before purchase. All specifications, odometer readings, and pricing information are provided by the selling dealer and should be independently verified prior to purchase.
This 2021 Peterbilt 579 Day Cab is clean, serviced, and ready for work. Powered by a reliable Cummins engine and paired with a 12-speed automated Endurant transmission, it delivers dependable performance and efficiency. Built with a 185" wheelbase and Peterbilt Low Air Leaf suspension, it offers stability and a smooth ride. Recently fully serviced with an 86-point inspection and DOT certification, this truck is road-ready and equipped with all new tires for added value. With just 402,374 miles, well-maintained unit. Multiple trucks are available—perfect for fleets or owner-operators looking to expand.
2021 Peterbilt 579 · 402,374 mi
Est. monthly
$983.94
Pre-tax purchase price
$5,150
Owner-ops: 10–20% typical
Prime 7–9% · Median 9–12% · Subprime 14%+
Deducted from financed amount
Drives Federal Excise Tax (FET)
Skip if straight truck under 33k GVWR or trailer under 26k GVWR.
Off — used vehicles are exempt
$0
Often 0% for interstate commercial use
Some states cap (CA $85, NY $75)
State title + lien fee
Lowers monthly; paid as lump at term
Amount financed
$46,850
Total interest
$12,186
Total cost
$64,186
Effective / month
$983.94
Estimate only. Actual financing depends on credit, dealer program, and lender terms. Heavy-truck APRs typically range 7–18% depending on credit tier, vehicle age, and LTV. Interstate commercial-use purchases are often exempt from state sales tax. TruckRadar is not a lender. Consult a commercial-vehicle lender for binding quotes.
Market Index
2021 Peterbilt 579 X15
Median Price
$56,900
This listing
−9% vs. comp median
Active listings
244